how does thermoflask minimize the gain or loss of heat due to any of the modes of heat transfer to keep hot liquid hot and cold liquid cold
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Answer:It reduces heat loss by radiation, convection, conduction and evaporation.
Explanation:
It has a vacuum which is an excellent insulator, minimizing heat transfer by conduction and convection. It also has a silver coating on the inside surfaces which is a poor conductor and poor absorber of heat, hence reducing heat loss by radiation. It also has a well fitting cork which reduces heat loss by evaporation. NOTE: It only minimizes heat loss, but does not prevent.
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